linux-kernel - Re: [PATCH RFC 2/2] mm: Rework swap handling of zap_pte

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Message-ID: <YZJFVK8g8LhWlICo@xz-m1.local>
Date:   Mon, 15 Nov 2021 19:37:00 +0800
From:   Peter Xu <peterx@...hat.com>
To:     Alistair Popple <apopple@...dia.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Yang Shi <shy828301@...il.com>,
        Hugh Dickins <hughd@...gle.com>,
        David Hildenbrand <david@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill@...temov.name>
Subject: Re: [PATCH RFC 2/2] mm: Rework swap handling of zap_pte_range

On Mon, Nov 15, 2021 at 10:21:18PM +1100, Alistair Popple wrote:
> Hi Peter,

Hi, Alistair,

> 
> I was having trouble applying this cleanly to any of my local trees so was
> wondering which sha1 should I be applying this on top of? Thanks.

Thanks for considering trying it out.  I thought it was easy to apply onto any
of the recent branches as long as with -mm's rc1 applied, and I just did it to
Linus's 5.16-rc1 in my uffd-wp rebase:

https://github.com/xzpeter/linux/commits/uffd-wp-shmem-hugetlbfs

This commit is here:

https://github.com/xzpeter/linux/commit/c32043436282bb352e6fe10eb5fa693340fe5281

It could be that "git rebase" is normally smarter so I didn't notice it's not
applicable directly.

I'll repost a new version soon, please also consider to fetch directly from the
git tree too before I do so.

Thanks,

-- 
Peter Xu